To create a car controlled by voice of humans is a innovative concept. In this paper we use the concept of speech recognition algorithm and algorithms that will worn on for the command of the users. The switching concept is used initially, the remote is provided with the button, when that button is pressed after that the speech recognition process starts. Then after user will command for openin...

With gasoline now more than $2.00 a gallon, alternate automobile technologies will be discussed with greater interest and developed with more urgency. For our government, the hydrogen fuel cell-powered automobile is at the top of the list of future technologies. This paper presents a simple description of the principles behind this technology and a brief discussion of the pros and cons. It is a...

The advantages/disadvantages of energy storage devices, which can provide nonpolluting automobile systems are discussed. Four types of storage devices are identified: electro-chemical (batteries) hydrogen electro-mechanical (flywheels) Molten salt heat storage A high speed flywheel with a small permanent magnet motor/generator has more advantages than any of the other systems and might become a...

Abstract How has the rise of automobile influenced urban areas over past century? In this paper, we investigate long-run impact car ownership on population density, based a sample 232 city observations in 57 countries. Using presence domestic manufacturer 1920 as source exogenous variation, our IV estimates indicate that substantially reduces density. A one standard deviation increase rates cau...